Snowmobile



FIG. 1 is a front left perspective view showing a snowmobile according to our design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a top plan view thereof.

Throughout the Figures, broken lines showing structure are for illustrative purposes only and form no part of the claimed design. Portions of the snowmobile not shown in the Figures form no part of the claimed design. 

The ornamental design for a snowmobile, as shown and described. 